Home / 868,131.33-1,197,993.40-480,930.87

Finding the Fourth Proportional to 868,131.33, 1,197,993.40 and 480,930.87

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Solution

The fourth proportional to 868,131.33, 1,197,993.40 and 480,930.87 is: 663,669.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,131.33 : 1,197,993.40 = 480,930.87 : x
  2. Step 2: Convert to fraction form
    868,131.33/1,197,993.40 = 480,930.87/x
  3. Step 3: Cross multiply
    868,131.33x = 1,197,993.40 × 480,930.87
  4. Step 4: Simplify right side
    868,131.33x = 576,152,008,116.26
  5. Step 5: Solve for x
    x = 576,152,008,116.26/868,131.33
  6. Step 6: Final answer
    x = 663,669.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.